THE PURSER WELLNESS ENCYCLOPEDIA

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A RELATED COURSEFatigue: asking better questions

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New to this subject? Start with this free introduction.What Causes Chronic Fatigue Syndrome?

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YouTubeJan 6, 2026

What is Intracellular Testing?

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Intracellular testing, or the CMA Cellular Micronutrient Assay, measures over 100 vitamins, minerals, amino acids, and antioxidants inside your cells—not just in your blood. Unlike serum tests, which show short-term levels, intracellular testing reveals what your cells have been missing over the last 100 days. Low levels can mean weak enzymes, non-functioning proteins, and accelerated aging. By identifying deficiencies and matching them with the correct nutrient forms for your genetics, you can target fatigue, anxiety, depression, and other chronic issues at the root. Get your CMA by calling o

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YouTubeJan 5, 2026

What Causes Chronic Fatigue Syndrome?

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Do you know what causes chronic fatigue? Dr. Purser explains the top causes of Chronic Fatigue Syndrome (CFS) and shares what steps to take to feel normal again. Discover why CFS is a symptom of underlying conditions and what the treatment of underlying causes of CFS includes. Dr. Purser dispels the myth of medication deficiency related to CFS symptoms. Discover the relationship of nutritional deficiencies, hormone imbalance, and poorly understood genetic causes from MTHFR deficiency to fatigue. Learn what contributes to fatigue when the absorption of Vitamin B12, folate, pantothenate, and oth

FacebookOct 3, 2026

What if one of the most overlooked minerals in wellness is one your body may actually benefit from?

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What if one of the most overlooked minerals in wellness is one your body may actually benefit from? Boron rarely gets the attention of magnesium, calcium, or vitamin D. But maybe it should. This trace mineral has been studied for its rol

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Health BlogOct 2, 2026

Intracellular Glutathione vs. Serum Levels: How to Lower Inflammatory Cytokines Naturally

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Most doctors run standard serum blood tests, see a "normal" nutrient level, and send you home. But measuring floating nutrients in your liquid serum is like looking at the paint on a house to see if the plumbing works inside. After reviewing over 40,000 advanced intracellular vitamin lab panels, the truth is clear: intracellular glutathione vs serum levels tell two entirely different stories. Your serum can look completely fine while your cells are completely depleted of the master antioxidant needed to protect your life. The Cytokine Threat When methylation breaks down and homocysteine elevat

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